/* 
 * Quechua - the lightweight data mining framework
 *
 * Copyright (C) 2012 Marek Denis <quechua@octogan.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "../../../include/interface-algorithm.h"
#include "../../channel/stdch/mydata.h"

class StubAlg : public Algorithm {
 public:
    StubAlg();
    ~StubAlg();
    datapack_ptr work(datapack_ptr data);
    bool load_misc_conf(const setting_t& misc);
 private:
    string_t prefix;
};

StubAlg::StubAlg() : Algorithm() {};

StubAlg::~StubAlg() {
    prefix.clear();
};

bool StubAlg::load_misc_conf(const setting_t& misc) {
    if(misc.exists("prefix")) {
        misc.lookupValue("prefix",prefix);
        prefix.append(": ");
    }
    else {
        prefix = "NoPrefix: ";
        return false;
    }
    return true;
};

datapack_ptr StubAlg::work(datapack_ptr data) {
    ProcessorData *d = reinterpret_cast<ProcessorData*>(data.get());
    string_t str = prefix + d->content;
    ProcessorData *dn = new ProcessorData();
    dn->content = str;
    return datapack_ptr(dn);
}


extern "C" Algorithm* create_algorithm() {
        return new StubAlg();
};

